Maybe this was already asked but where do you plan to domicile the exchange and do you imply that you already have a license for the exchange? What kind of license? securities dealers license? To this day, there has not been one centralized exchange with a legit securities dealers license but by Q4 2018 we expect one.

How do you conduct a proper due dilligence on the tokens you want to list so you don't get scams? www.alethena.com is the first real rating agency that works exactly on this